ONYEANUSI, B.I. Serum Progesterone Concentrations in Indigenous Nigerian Guinea Fowls. International Journal of Poultry Science, Pakistan, v. 6, n. 8, p. 608–609, 2007. DOI: 10.3923/ijps.2007.608.609. Disponível em: https://ijpsjournal.org/index.php/ijps/article/view/819. Acesso em: 22 sep. 2025.